Oracle Message ORA-08435 - PICTURE MASK missing the leading sign when SIGN IS LEADING specified

ERRORPICTURE MASK missing the leading sign when SIGN IS LEADING specified
CAUSEThe input MASK passed to a UTL_PG RAW_TO_NUMBER conversion routine had no leading sign, but the mask options parameter specified a leading sign.
ACTIONCorrect the input raw data or the mask options so that they match.